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Model 66310 - Two-Speed Service Jack

Max. Capacity: 3 Tons

Application: Designed to lift a wide range of motor vehicles.

www.jackco.com

15

2

3

21

22

5

6

25

29

8

32

33

1

16

10

11

20

31

12

18

19

26

9

27

28

24

23

14

35

39

42

40

41

36

37

38

34

7

17

30

18

26

7

Refer to sheet 3 for   

hydraulic assembly 

detail.

Visit our website at: http://www.jackco.com

 Email our technical support at: [email protected]

WARNING

!

Read this material before using this product. Failure to do so can result in serious injury. SAVE THIS MANUAL.

This product may contain chemicals know 
to the State of California to cause cancer, 
birth defects, or other reproductive harm.

!

Prop. 65 Warning 

for California Residents

Summary of Contents for 66310

Page 1: ...17 30 18 26 7 Refer to sheet 3 for hydraulic assembly detail Visit our website at http www jackco com Email our technical support at techsupport jackco com WARNING Read this material before using this...

Page 2: ...turn Spring 18 2 Tie Rod 19 1 Handle Yoke Bottom Half 20 1 Handle Yoke Connection Pin 21 1 Handle Yoke Top Half 22 1 Hydraulic Assembly 23 1 Spring 24 1 Handle Yoke Lock 25 1 Rivet 26 5 Washer 8 27 1...

Page 3: ...ivot Support Rod Screw 16 1 Cover Plate 17 1 Return Spring 18 2 Tie Rod 26 5 Washer 8 34 4 Nut 16 35 4 Washer 16 36 4 Screw M5 x 12 40 4 Screw M8 x 20 No 66310 10 Handle Pivot Kit contains Item No Qty...

Page 4: ...Hydraulic Assembly 43 45 46 49 50 52 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 61 60 64 65 61 60 64 2x...

Page 5: ...1 x 1 8 61 3 Relief Valve Cover Screw 62 1 Steel Ball 8 mm 63 1 Low Relief Valve Set Screw 64 4 Steel Ball 5 mm 65 2 Piston Housing Copper Seal Ring 66 1 High Pressure Piston Housing 67 1 O Ring 68 1...

Page 6: ...ng 67 1 O Ring 68 1 Circlip 15 x 11 x 3 69 1 High Pressure Piston 70 1 High Pressure Piston Return Spring 71 1 High Pressure Piston Dust Cover 72 1 Return Spring Holder 15 73 1 Circlip 15 76 1 Low Pre...

Page 7: ...on the jack Center the load on the jack saddle Off center loads can damage seals and cause jack failure Lift only dead weight Do not use blocks or other extenders between the saddle and the load being...

Page 8: ...ective 6 Replace packing Jack lifts only partially 1 Too much or not enough oil 1 Check oil level Jack advances slowly 1 Pump not working correctly 1 Rework pump 2 Leaking seals 2 Replace seals Seal k...

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